Process for the production of sulphenamides

Details Process for the production of sulphenamides Process for the production of sulphenamides

C - Chemistry, Metallurgy

07

D

260/388.1, 260/3

C07D 277/80 (2006.01) C07D 417/12 (2006.01)

Patent

CA 1160222

ABSTRACT OF THE DISCLOSURE Benzothiazole-2 sulfenamides are prepared by reacting a 2-mercaptobenzothiazole and a primary or secondary amine with oxygen in the presence of a catalyst, for example a metal phthalocyanine, in a reaction medium consisting of (i) a mixture of the amine and water in which the amount of water at the outset of the reaction is from 0.2 to 20% by weight of the mixture, or (ii) a mixture as defined in (i) diluted with an inert organic solvent miscible with the mixture, in a proportion of up to two parts by weight of the inert organic solvent per part by weight of the mixture.

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